oliverfeilberg.dk
Last scanned: 2026-08-21 06:23:18  ·  1414ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   91ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   118ms
IPTTLPTRASNISP / OrgCIDRCountryCity
199.36.158.100 600s — AS54113 Fastly, Inc. 199.36.158.0/24 🇺🇸 United States —
📧 MX Records1 records   121ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   413ms
TXT Record
hosting-site=oliver-portfolio-31ac8
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC216ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
91ms
A
118ms
MX
121ms
AAAA
110ms
TXT
413ms
CAA
110ms
HTTPS
128ms
TLSA
107ms
SOA
0ms
MTA-STS
191ms
DNSSEC
216ms
SRV
135ms
Total
1414ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-21 06:23:18 1414ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 18:24:01 831ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-21 20:05:43 526ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 04:49:18 1700ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 22:54:02 2300ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 05:10:50 460ms 2 NS 1 A 0 MX 🔒 Secure View
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